21188850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4871}}^1$

素因数の和:4915

約数の個数: 48

約数和(自身を含む): 54371520

約数和(自身を除く): 33182670

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4871, 9742, 14613, 24355, 29226, 48710, 73065, 121775, 141259, 146130, 243550, 282518, 365325, 423777, 706295, 730650, 847554, 1412590, 2118885, 3531475, 4237770, 7062950, 10594425, 21188850]

約数ペア:

[(1, 21188850), (2, 10594425), (3, 7062950), (5, 4237770), (6, 3531475), (10, 2118885), (15, 1412590), (25, 847554), (29, 730650), (30, 706295), (50, 423777), (58, 365325), (75, 282518), (87, 243550), (145, 146130), (150, 141259), (174, 121775), (290, 73065), (435, 48710), (725, 29226), (870, 24355), (1450, 14613), (2175, 9742), (4350, 4871)]